package com.hua.struct;

public class DoWhileDemo01 {

    public static void main(String[] args) {
        int a = 0 ;
        while (a<0){
            System.out.println(a);//里面的语句未执行
            a++;
        }

        System.out.println("==============");
        do {
            System.out.println(a);//该语句被执行了一次
            a++;
        }while (a<0);
    }




}
